Utility knife handle



FIG. 1 is a front elevation view of the utility knife handle of our new design;

FIG. 2 is a back elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left end elevation view thereof; and

FIG. 6 is a right end elevation view thereof. 

The ornamental design for a utility knife handle, as shown and described. 